Under-actuated spacecraft three-axis attitude stabilization control method
A stable control method and three-axis attitude technology, applied in three-dimensional position/channel control, adaptive control, general control system, etc., can solve problems such as incomplete drive system
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[0033] Specific embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings.
[0034] In order for a satellite (spacecraft) to work normally in orbit, it is generally required to achieve three-axis stable flight, that is, to maintain a certain reference coordinate system, the three-axis attitude angle of the star is controlled near zero, and the nominal value of the three-axis angular velocity is zero. Since the three-axis attitude control of the satellite includes three axes of roll, pitch, and yaw, to achieve three-axis stable control, at least one flywheel is required on each of the three axes, and the attitude of the axis can be controlled by using the flywheel. However, the flywheel has reliability problems. Due to some reasons or long-term work, it may fail, and it may be the first to lose control torque on a certain axis. At this time, only two of the satellite's three axes have the ability to output attitu...
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